1 /*
2 * Copyright 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "hardware.google.media.c2@1.0-service"
19
20 #include <codec2/hidl/1.0/ComponentStore.h>
21 #include <hidl/HidlTransportSupport.h>
22 #include <binder/ProcessState.h>
23 #include <minijail.h>
24
25 #include <C2Component.h>
26
27 // OmxStore is added for visibility by dumpstate.
28 #include <media/stagefright/omx/1.0/OmxStore.h>
29
30 // This is created by module "codec2.vendor.base.policy". This can be modified.
31 static constexpr char kBaseSeccompPolicyPath[] =
32 "/vendor/etc/seccomp_policy/codec2.vendor.base.policy";
33
34 // Additional device-specific seccomp permissions can be added in this file.
35 static constexpr char kExtSeccompPolicyPath[] =
36 "/vendor/etc/seccomp_policy/codec2.vendor.ext.policy";
37
38 class DummyC2Store : public C2ComponentStore {
39 public:
40 DummyC2Store() = default;
41
42 virtual ~DummyC2Store() override = default;
43
getName() const44 virtual C2String getName() const override {
45 return "default";
46 }
47
createComponent(C2String,std::shared_ptr<C2Component> * const)48 virtual c2_status_t createComponent(
49 C2String /*name*/,
50 std::shared_ptr<C2Component>* const /*component*/) override {
51 return C2_NOT_FOUND;
52 }
53
createInterface(C2String,std::shared_ptr<C2ComponentInterface> * const)54 virtual c2_status_t createInterface(
55 C2String /* name */,
56 std::shared_ptr<C2ComponentInterface>* const /* interface */) override {
57 return C2_NOT_FOUND;
58 }
59
60 virtual std::vector<std::shared_ptr<const C2Component::Traits>>
listComponents()61 listComponents() override {
62 return {};
63 }
64
copyBuffer(std::shared_ptr<C2GraphicBuffer>,std::shared_ptr<C2GraphicBuffer>)65 virtual c2_status_t copyBuffer(
66 std::shared_ptr<C2GraphicBuffer> /* src */,
67 std::shared_ptr<C2GraphicBuffer> /* dst */) override {
68 return C2_OMITTED;
69 }
70
query_sm(const std::vector<C2Param * > &,const std::vector<C2Param::Index> &,std::vector<std::unique_ptr<C2Param>> * const) const71 virtual c2_status_t query_sm(
72 const std::vector<C2Param*>& /* stackParams */,
73 const std::vector<C2Param::Index>& /* heapParamIndices */,
74 std::vector<std::unique_ptr<C2Param>>* const /* heapParams */) const override {
75 return C2_OMITTED;
76 }
77
config_sm(const std::vector<C2Param * > &,std::vector<std::unique_ptr<C2SettingResult>> * const)78 virtual c2_status_t config_sm(
79 const std::vector<C2Param*>& /* params */,
80 std::vector<std::unique_ptr<C2SettingResult>>* const /* failures */) override {
81 return C2_OMITTED;
82 }
83
getParamReflector() const84 virtual std::shared_ptr<C2ParamReflector> getParamReflector() const override {
85 return nullptr;
86 }
87
querySupportedParams_nb(std::vector<std::shared_ptr<C2ParamDescriptor>> * const) const88 virtual c2_status_t querySupportedParams_nb(
89 std::vector<std::shared_ptr<C2ParamDescriptor>>* const /* params */) const override {
90 return C2_OMITTED;
91 }
92
querySupportedValues_sm(std::vector<C2FieldSupportedValuesQuery> &) const93 virtual c2_status_t querySupportedValues_sm(
94 std::vector<C2FieldSupportedValuesQuery>& /* fields */) const override {
95 return C2_OMITTED;
96 }
97 };
98
main(int,char **)99 int main(int /* argc */, char** /* argv */) {
100 ALOGD("hardware.google.media.c2@1.0-service starting...");
101
102 signal(SIGPIPE, SIG_IGN);
103 android::SetUpMinijail(kBaseSeccompPolicyPath, kExtSeccompPolicyPath);
104
105 // vndbinder is needed by BufferQueue.
106 android::ProcessState::initWithDriver("/dev/vndbinder");
107 android::ProcessState::self()->startThreadPool();
108
109 // Extra threads may be needed to handle a stacked IPC sequence that
110 // contains alternating binder and hwbinder calls. (See b/35283480.)
111 android::hardware::configureRpcThreadpool(8, true /* callerWillJoin */);
112
113 // Create IComponentStore service.
114 {
115 using namespace ::hardware::google::media::c2::V1_0;
116 android::sp<IComponentStore> store;
117
118 // Vendor's TODO: Replace this with
119 // store = new utils::ComponentStore(
120 // /* implementation of C2ComponentStore */);
121 ALOGD("Instantiating Codec2's dummy IComponentStore service...");
122 store = new utils::ComponentStore(
123 std::make_shared<DummyC2Store>());
124
125 if (store == nullptr) {
126 ALOGE("Cannot create Codec2's IComponentStore service.");
127 } else {
128 if (store->registerAsService("default") != android::OK) {
129 ALOGE("Cannot register Codec2's "
130 "IComponentStore service.");
131 } else {
132 ALOGI("Codec2's IComponentStore service created.");
133 }
134 }
135 }
136
137 // Register IOmxStore service.
138 {
139 using namespace ::android::hardware::media::omx::V1_0;
140 android::sp<IOmxStore> omxStore = new implementation::OmxStore();
141 if (omxStore == nullptr) {
142 ALOGE("Cannot create IOmxStore HAL service.");
143 } else if (omxStore->registerAsService() != android::OK) {
144 ALOGE("Cannot register IOmxStore HAL service.");
145 }
146 }
147
148 android::hardware::joinRpcThreadpool();
149 return 0;
150 }
151